<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>老师端</title>
</head>
<body>
<p>
<p>
    <a href="">个人信息</a>
    <a href="../index.html">退出</a>
</p>
<p>
    <a href="id">课程管理</a>
</p>
<p>
    <a href="">学生管理</a>
</p>

<iframe src="../update/stu_update.html"  name="hello" frameborder="0" width="80%" height="800px">

</iframe>
<iframe src="../update/home.html"  name="id" frameborder="0" width="80%" height="800px">

</iframe>
</p>





</body>
</html>